Home / 354,297,258.17-488,930,520.75-197,664,389.27

Finding the Fourth Proportional to 354,297,258.17, 488,930,520.75 and 197,664,389.27

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Solution

The fourth proportional to 354,297,258.17, 488,930,520.75 and 197,664,389.27 is: 272,777,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,297,258.17 : 488,930,520.75 = 197,664,389.27 : x
  2. Step 2: Convert to fraction form
    354,297,258.17/488,930,520.75 = 197,664,389.27/x
  3. Step 3: Cross multiply
    354,297,258.17x = 488,930,520.75 × 197,664,389.27
  4. Step 4: Simplify right side
    354,297,258.17x = 96,644,152,779,511,824
  5. Step 5: Solve for x
    x = 96,644,152,779,511,824/354,297,258.17
  6. Step 6: Final answer
    x = 272,777,027.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.